6. The tower of Pisa is 54.5 m tall. Assuming that Galileo dropped his object from...
6. The tower of Pisa is 54.5 m tall. Assuming that Galileo
dropped his object from rest from the top of the tower and that the
effects of air resistance were negligible, how long would it take
the object to fall, in seconds? What is the velocity of the object
when it hits the ground?
7. A ball is thrown directly downward with an initial speed of 9.50
m/s from a height of 30.0 m. After what time interval does the ball
strike the ground? What is its velocity as it reaches the
ground?
Homework Answers
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6. The tower of Pisa is 54.5 m tall. Assuming that Galileo
dropped his object from...
A car traveling at 35 mi/h crashes into a tree. The front end of the car...
A car traveling at 35 mi/h crashes into a tree. The front end of the car compresses and the driver comes to rest after traveling 0.75 m. What was the magnitude of the average acceleration of the driver during the collision? Express your answer in terms of "gs", where 1g 9.80 m/s. Determine the time interval of the collision, in milliseconds. 6. The tower of Pisa is 54.5 m tall. Assuming that Galileo dropped his object from rest from the...
1. A car accelerates from zero to 105 km/h in 5.21 s. What is its average...
1. A car accelerates from zero to 105 km/h in 5.21 s. What is its average acceleration in km/h/s and m/s? 2. An object moving in the x-direction has a position described by the function x(t) - 6.30t + 8.70t2, where t is in seconds and x is in meters. What is the acceleration as a function of time? The figure shows the graph of v vs t for the motion of a motorcyle that starts from rest and moves...
9, Galileo throws a rock from the top of the Leaning Tower of Pisa at an...
9, Galileo throws a rock from the top of the Leaning Tower of Pisa at an upward angle of 69.00 with speed vo. The rock is in flight for 5.2 s and hits the ground 15 m from the base of the building. Ignore air resistance and ignore the fact that the two tilts a bit. a) What is the speed vo? Vo b) How high off the ground is the top of the tower? Height of tower c) What...
An object is dropped from a tower, 1024 ft above the ground. The object's height above...
An object is dropped from a tower, 1024 ft above the ground. The object's height above ground i seconds after the fall is s(t) = 1024 - 1612. Determine the velocity and acceleration of the object the moment it reaches the ground. ft/s. The velocity of the object the moment it reaches the ground is (Simplify your answer.) The acceleration of the object the moment it reaches the ground is fus2 (Simplify your answer.)
how long would it take for an object dropped from the leaning tower of pisa (height 54.6 meters)...
how long would it take for an object dropped from the leaning tower of pisa (height 54.6 meters) to hit the ground
2-7 Freely Falling Objects Example 2-15: Thrown down from a tower Galileo now throws the ball...
2-7 Freely Falling Objects Example 2-15: Thrown down from a tower Galileo now throws the ball downward with an initial velocity of 3.00 m/s (a) What then would be its position after 1.00 s and 2.00 s? (b) What would its speed be after 1.0 s and 2.0 s? Compare with the speeds of a dropped ball.
The Sears Tower in Chicago is 443 m tall. Suppose a book is dropped from the...
The Sears Tower in Chicago is 443 m tall. Suppose a book is dropped from the top of the building. What would be the book's velocity at a point 220 m above the ground?
2. Galileo famously dropped two spheres of different weights (but of the same size) off of...
2. Galileo famously dropped two spheres of different weights (but of the same size) off of the Leaning Tower of Pisa in order to show that Aristotle's theory of gravity (that objects fall at rates proportional to their weights) was wrong. Suppose one sphere had mass m = 1 kg and the other had mass m = 5 kg, and that their velocities followed the equation: mv' = mg - kv with constant of proportionality k = 0.1 kg/s and...
2. Galileo famously dropped two spheres of different weights (but of the same size) off of...
2. Galileo famously dropped two spheres of different weights (but of the same size) off of the Leaning Tower of Pisa in order to show that Aristotle's theory of gravity (that objects fall at rates proportional to their weights) was wrong. Suppose one sphere had mass m = 1 kg and the other had mass m = 5 kg, and that their velocities followed the equation: mu' = mg - kv with constant of proportionality k = 0.1 kg/s and...
You discover a new microbe while working on a citizen scientist project. The mic in their...
You discover a new microbe while working on a citizen scientist project. The mic in their correct phylogenic niche. In order to determine its evolutionary relatednes 2113 hw 1. launch and fall 45. A all is thrown vertically upward with a speed of 25.0 m/s.tal How high does it rise? (b) How long does it take to reach its highest point? (c) How long does the all take to hit the ground after it reaches its highest point? (d) What...
A car traveling at 35 mi/h crashes into a tree. The front end of the car compresses and the driver comes to rest after traveling 0.75 m. What was the magnitude of the average acceleration of the driver during the collision? Express your answer in terms of "gs", where 1g 9.80 m/s. Determine the time interval of the collision, in milliseconds. 6. The tower of Pisa is 54.5 m tall. Assuming that Galileo dropped his object from rest from the...
1. A car accelerates from zero to 105 km/h in 5.21 s. What is its average acceleration in km/h/s and m/s? 2. An object moving in the x-direction has a position described by the function x(t) - 6.30t + 8.70t2, where t is in seconds and x is in meters. What is the acceleration as a function of time? The figure shows the graph of v vs t for the motion of a motorcyle that starts from rest and moves...
9, Galileo throws a rock from the top of the Leaning Tower of Pisa at an upward angle of 69.00 with speed vo. The rock is in flight for 5.2 s and hits the ground 15 m from the base of the building. Ignore air resistance and ignore the fact that the two tilts a bit. a) What is the speed vo? Vo b) How high off the ground is the top of the tower? Height of tower c) What...
An object is dropped from a tower, 1024 ft above the ground. The object's height above ground i seconds after the fall is s(t) = 1024 - 1612. Determine the velocity and acceleration of the object the moment it reaches the ground. ft/s. The velocity of the object the moment it reaches the ground is (Simplify your answer.) The acceleration of the object the moment it reaches the ground is fus2 (Simplify your answer.)
2-7 Freely Falling Objects Example 2-15: Thrown down from a tower Galileo now throws the ball downward with an initial velocity of 3.00 m/s (a) What then would be its position after 1.00 s and 2.00 s? (b) What would its speed be after 1.0 s and 2.0 s? Compare with the speeds of a dropped ball.
2. Galileo famously dropped two spheres of different weights (but of the same size) off of the Leaning Tower of Pisa in order to show that Aristotle's theory of gravity (that objects fall at rates proportional to their weights) was wrong. Suppose one sphere had mass m = 1 kg and the other had mass m = 5 kg, and that their velocities followed the equation: mv' = mg - kv with constant of proportionality k = 0.1 kg/s and...
2. Galileo famously dropped two spheres of different weights (but of the same size) off of the Leaning Tower of Pisa in order to show that Aristotle's theory of gravity (that objects fall at rates proportional to their weights) was wrong. Suppose one sphere had mass m = 1 kg and the other had mass m = 5 kg, and that their velocities followed the equation: mu' = mg - kv with constant of proportionality k = 0.1 kg/s and...
You discover a new microbe while working on a citizen scientist project. The mic in their correct phylogenic niche. In order to determine its evolutionary relatednes 2113 hw 1. launch and fall 45. A all is thrown vertically upward with a speed of 25.0 m/s.tal How high does it rise? (b) How long does it take to reach its highest point? (c) How long does the all take to hit the ground after it reaches its highest point? (d) What...
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